alleryयदि किसी कार्य के लिए 20 मानव-घंटे (man-hours) की आवश्यकता होती है, तो 2 श्रमिकों की एक टीम को कितने घंटे लगेंगे?
A10 घंटे
B20 घंटे
C40 घंटे
D15 घंटे
Answer & Solution
Correct answer: A. 10 घंटे
20 मानव-घंटों को 2 उपलब्ध श्रमिकों से विभाजित करने पर 10 घंटे का समय प्राप्त होता है।
Keep practising Time and Work
Browse all Time and Work questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
What labor metric denotes the amount of work done by an average worker in a day?How is task time found from man-hours and worker count?A takes 12 days and B takes 24 days. A leaves 3 days before the work ends. Total time wasA does a job in 16 days, B in 8 days. A works 4 days alone, then B joins. Total time from A alone does a job in 9 days and B alone in 18 days. They earn Rs 900 together. A's share Sita does a job in 30 days. Sita and Tara together do it in 20 days. Tara alone needsA pipe alone fills a tank in 15 minutes; with a second pipe it takes 6 minutes. The secondTen men working 8 hours a day build a wall in 18 days. Twelve men at 6 hours a day need